The passive infrared detectors used for automatic switching could not be adjusted finely enough for the level of control desired, and may be incompatible with the light sources.
The passive infrared detectors used for automatic switching could not be adjusted finely enough for the level of control desired, and may be incompatible with the light sources.
用于接通自动地面接收机终端的被动红外线探测器不能被调整足够好对于预期的控制的水平来说，并且可能与光源不能协调。